树先生的年轮
<□□A□ t□e three friend□ graduate □nd go □hei□ separate ways□□they carry wi□h them □aluable lesso□s that the□ ha□□ learned□from e□c□ other. Th□y□realize th□t true s□cc□□s is n□t measure□ by □r□des□□r ac□olad□□, but □y the impact□□hey □ave□on□others and □h□ fulf□llm□nt t□ey find in □heir purs□its.